From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A2DDFC46475 for ; Wed, 24 Oct 2018 03:23:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 66D2B20671 for ; Wed, 24 Oct 2018 03:23:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="GWXU0gFJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 66D2B20671 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-clk-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726301AbeJXLtq (ORCPT ); Wed, 24 Oct 2018 07:49:46 -0400 Received: from mail-pg1-f195.google.com ([209.85.215.195]:35438 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726240AbeJXLtq (ORCPT ); Wed, 24 Oct 2018 07:49:46 -0400 Received: by mail-pg1-f195.google.com with SMTP id 32-v6so1643748pgu.2 for ; Tue, 23 Oct 2018 20:23:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=HoUgDeYGHgBozPF8BvR8CllNS3AMMSk3lQsJUo6v4lQ=; b=GWXU0gFJkxJKX37VY0PH8faOcJgPAk2h2QOJhmZvHjkvV33ad3FvB/6nc45ofMG8Mp SE49qCNaKFsYCM/r7GbTA5qB6CfBoDup0AImuNY2v1E82Xpq7N4+6p/ofA4vDlfdn/Vs aMySpjcm9euNg5ToOvba7Td9QO9M2lb+v+wXE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=HoUgDeYGHgBozPF8BvR8CllNS3AMMSk3lQsJUo6v4lQ=; b=Zu54H6tBSQ7k/txfg8sfB+KIKkSi8klIUNwK415ZKmllN53UKhl60VbxvJiOh/Rssf EZriVnHFNfWByfpari2FSJoVIaJKZrtx4uKWQpB6jcBjyQwNjh34kyiwm1quO/xev3H0 P+S2CEnNwV65jF+Y7zVgLOSM+8QoZ5Vv4YI/As7CgpaszOKaslRy8EfpP7fZNun1HQVF 21zDdQ7zBwZ+CNMIGPo6wUU5GhOsDquttmOP/SklCc2kqX4KUV0W4sO6w5GMR6OVOJS5 qt7XyoT1cru131Jsy5UcbFBnWt5lKaUY1CdMhVv2bU8UlLKFAvWfKnCv5qB0fSu2kr9n 5YVw== X-Gm-Message-State: AGRZ1gJvx3brLb1N8wVs52qfoADxJWGPJbia3PiyET72Cho9CZSiXLBX hvMlIquN9e1+rk6ZO+TwpPz8kw== X-Google-Smtp-Source: AJdET5ezXFxvRDBDYDo41GXToJDTkUsqNwxqKxsspVnyYcmp5mbR44Btd+lDInTNkrKhw21HO5BGpg== X-Received: by 2002:a63:64c:: with SMTP id 73mr596598pgg.373.1540344700541; Tue, 23 Oct 2018 18:31:40 -0700 (PDT) Received: from exogeni.mtv.corp.google.com ([2620:15c:202:1:5e2b:39df:72ed:4968]) by smtp.gmail.com with ESMTPSA id p4-v6sm3882341pfg.188.2018.10.23.18.31.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 Oct 2018 18:31:39 -0700 (PDT) From: Derek Basehore To: linux-kernel@vger.kernel.org Cc: linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-doc@vger.kernel.org, sboyd@kernel.org, mturquette@baylibre.com, heiko@sntech.de, aisheng.dong@nxp.com, mchehab+samsung@kernel.org, corbet@lwn.net, Derek Basehore Subject: [PATCH 0/6] Coordinated Clks Date: Tue, 23 Oct 2018 18:31:26 -0700 Message-Id: <20181024013132.115907-1-dbasehore@chromium.org> X-Mailer: git-send-email 2.19.1.568.g152ad8e336-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Here's the first set of patches that I'm working on for the Common Clk Framework. Part of this patch series adds a new clk op, pre_rate_req. This is designed to replace the clk notifier approach that many clk drivers use right now to setup alt parents or temporary dividers. This should allow for the removal of the CLK_RECALC_NEW_RATES flag and the implementation of a better locking scheme for the prepare lock. Derek Basehore (5): clk: fix clk_calc_subtree compute duplications clk: change rates via list iteration clk: add pre clk changes support docs: driver-api: add pre_rate_req to clk documentation clk: rockchip: use pre_rate_req for cpuclk Stephen Boyd (1): clk: Remove recursion in clk_core_{prepare,enable}() Documentation/driver-api/clk.rst | 7 +- drivers/clk/clk.c | 484 +++++++++++++++++++++++-------- drivers/clk/rockchip/clk-cpu.c | 256 ++++++++-------- include/linux/clk-provider.h | 10 + 4 files changed, 509 insertions(+), 248 deletions(-) -- 2.19.1.568.g152ad8e336-goog